


High-Efficiency 3 Phase Intelligent AC-DC Power Converter – China Suppliers & Factory for Industrial Power Solutions
Introducing the BEG Series 3 Phase Intelligent AC-DC Power Converter by Bangzhao Electric, a leading power supply solution suitable for industrial applications in China. This robust and efficient unit is designed to deliver stable power output, ensuring that large-scale industrial equipment and production lines operate seamlessly. As a trusted supplier and factory specializing in high-performance power converters, we prioritize energy efficiency to minimize power loss. Upgrade your industrial processes with our state-of-the-art power converter and experience the reliability and power that only Bangzhao Electric can provide
Product Features
Wide constant power voltage range: 300Vdc~1000Vdc constant power output
Strong low-voltage load capacity: 50V high-current output to meet the needs of low-voltage vehicle charging
High efficiency: High efficiency operation in the full load range
Ultra-low standby power consumption: <12W, support sleep mode
Isolated air duct filling design: Good heat dissipation, high reliability
Built-in intelligent discharge circuit: Automatic discharge of residual charge, high system reliability
Battery anti-reverse flooding: Effective protection of the battery while ensuring reliable system operation
Full digital control: Dual DSP design, high reliability control
Non-destructive hot-swap: Plug-and-play, convenient maintenance; high system reliability
Wide input voltage range: 260Vac ~ 530Vac, adapting to a variety of power grids
Wide output voltage range: 50Vdc~1000Vdc, adapted to all kinds of power batteries and storage batteries
Wide temperature range: -40℃ ~ +75℃
Multi-scenario adaptability: Public charging piles, optical storage supercharging systems, heavy truck charging and switching equipment, seaside charging piles, etc.
Technical Specifications
| Model | BEG75020S-21kw | BEG75040-75kw | BEG75050-400kw |
| AC Input | |||
| Input voltage | 90~280Vac | 260~530Vac | 260~530Vac |
| Max. input current | <96A | <150A | <740A |
| Input frequency | 55±10Hz | ||
| Power factor | ≥ 0.99 | ||
| Efficiency (fully loaded) | >95% | ||
| THD | <5% | ||
| DC Output | |||
| Rated output | 21kW | 75kW | 400kW |
| Output voltage range | 50~750Vdc | 50~750Vdc | 50~750Vdc |
| Constant power voltage range | 350~750Vdc | 400~750Vdc | 400~750Vdc |
| Output current range | 0~60A | 0~187.5A | 0~1000A |
| Output current limiting | 0.1–60A | 0.1–187.5A | 0.2–1000A |
| Current sharing | Imbalance <±5% | ||
| Voltage stabilized accuracy | ≤±0.5% | ||
| Current stabilized accuracy | ≤±1% | ||
| Monitor | |||
| Communication | CAN | ||
| Indicator light |
● Green: Normal operation ● Yellow: Protection alarm ● Red: Fault alarm |
||
| Operating Environment | |||
| Operating temperature | -40ºC ~ +75ºC, derates from +55ºC | ||
| Storage temperature | -40ºC ~ +80ºC | ||
| Humidity | ≤95% RH, without condensation | ||
| Cooling | Fan cooling | ||
| Altitude | 2000m; above 2000m, derating needs to be considered | ||
| Alarm and Protection | |||
| Input undervoltage protection | Automatic shutdown protection; automatic resumption of work after normal input | ||
| Output overvoltage protection | Automatically shuts down and locks; needs to be re-powered on to resume work | ||
| Over-current and short-circuit protection | Automatically shuts down and locks; needs to be re-powered on to resume work | ||
| Over-temperature protection | Automatic shutdown protection; automatic resumption of work after normal temperature | ||
Frequently Asked Questions
What is the output voltage range supported by the BEG750 series charger modules?
What is the efficiency of the BEG750 series under full load conditions?
What protection mechanisms are built into the BEG750 series modules?
What operating temperature range do the BEG750 series modules support?
Does the BEG750 series support hot-swap (hot-plugging) capability?
What application scenarios are the BEG750 series modules suitable for?
LET’S FIND YOUR SOLUTION
Let’s find your power solution.
Tell us your application, power rating and input/output requirements. Our team will help you choose a suitable product category and configuration.


